diff options
author | Hollis Blanchard <hollisb@us.ibm.com> | 2008-11-24 12:37:38 -0500 |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2008-11-25 05:02:48 -0500 |
commit | c30f8a6c6d74f67bc2107726cc61a1e7c71e9740 (patch) | |
tree | cc593db75efd62f917e949df78f4fabdcddc6938 /arch/powerpc/include/asm/kvm_ppc.h | |
parent | 0c0f40bdbe4ddb48ebecfb5c2b56eeb175a57c45 (diff) |
KVM: ppc: stop leaking host memory on VM exit
When the VM exits, we must call put_page() for every page referenced in the
shadow TLB.
Without this patch, we usually leak 30-50 host pages (120 - 200 KiB with 4 KiB
pages). The maximum number of pages leaked is the size of our shadow TLB, 64
pages.
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/include/asm/kvm_ppc.h')
-rw-r--r-- | arch/powerpc/include/asm/kvm_ppc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 8931ba729d2b..bb62ad876de3 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h | |||
@@ -104,4 +104,6 @@ static inline void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 new_pid) | |||
104 | } | 104 | } |
105 | } | 105 | } |
106 | 106 | ||
107 | extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); | ||
108 | |||
107 | #endif /* __POWERPC_KVM_PPC_H__ */ | 109 | #endif /* __POWERPC_KVM_PPC_H__ */ |